The gold foil experiment demonstrated that most of an atom is empty space with a very small positively charged nucleus in the middle. His result was that 99.995% Î±-particles were not deflected. This proved that atoms had an inner core that contained most of the mass of an atom and was positively charged. Comments
How to calculate your next menstrual cycle period: The average menstrual cycle is 28 days long.Cycles can range anywhere from 21 to 35 days in adults and from 21 to 45 days in young teens. An estimated menstrual cycle period can be calculated by following steps 1 through 3: 1.You need to determine the first day of your last menstrual period. 2. Knowing your menstrual cycle length. This is the number of days from the first day of your period until the last day before your next period. 3.Enter the date and menstrual cycle length, Click the button, You'll get the calculation.
EDD by US. 1  This calculator gives you two options for estimating EDD (estimated date of delivery.) 2  Input any parameters to compare the two date calculations. 3  Gestational Age by LMP is calculated from the first day of the last menstrual period.  EDD by LMP is calculated by adding 280 days (40 weeks) to the first day of the last menstrual period. Gestational Age by US is measured by ultrasound (US) on the Ultrasound Date. EDD by US is the estimated date of delivery based on the Gestational Age by US and the Ultrasound Date.